200556220 has 24 divisors (see below), whose sum is σ = 426245904. Its totient is φ = 79255296.

The previous prime is 200556217. The next prime is 200556253. The reversal of 200556220 is 22655002.

It is a junction number, because it is equal to n+sod(n) for n = 200556191 and 200556200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58749 + ... + 62068.

It is an arithmetic number, because the mean of its divisors is an integer number (17760246).

Almost surely, 2^200556220 is an apocalyptic number.

200556220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200556220 is an abundant number, since it is smaller than the sum of its proper divisors (225689684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200556220 is a wasteful number, since it uses less digits than its factorization.

200556220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120909 (or 120907 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 200556220 is about 14161.7873165784. The cubic root of 200556220 is about 585.3451782250.

The spelling of 200556220 in words is "two hundred million, five hundred fifty-six thousand, two hundred twenty".